Langage Farm: How Devon's Carbon Neutral Dairy is Changing British Yoghurt

Discover how Langage Farm became the UK's first carbon neutral dairy, producing award-winning clotted cream and farmhouse yoghurt from their Devon herd of Jersey and Guernsey cows using a revolutionary closed-loop system.

Sophie Green
12 min read
🔍Deep Dive

I'll be honest with you: the first time I spotted a glass pot of Langage Farm yoghurt in Waitrose, I nearly walked past it. Another "luxury" dairy product with a premium price tag? I've seen plenty of those. But something made me stop—the words "UK's First Carbon Neutral Dairy" printed on the label. As someone who spends far too much time reading the small print on packaging (my partner has given up waiting for me in supermarket aisles), that claim demanded investigation.

What I discovered over the following weeks of research genuinely surprised me. This isn't just clever marketing or greenwashing dressed up in country farmhouse aesthetics. Langage Farm represents something rather remarkable in British food production: a family dairy that's managed to close the loop on sustainability while still making products that taste properly indulgent.

Who Are Langage Farm? A Devon Dairy Story Since 1952

Tucked into the rolling Devon countryside just outside Plymouth, Langage Farm has roots stretching back further than you might expect. The land itself appears in the Domesday Book of 1086—over 900 years of agricultural history beneath those green fields where Jersey and Guernsey cows now graze.

The Harvey family bought the farm in 1952, though the dairy operation we know today started taking shape in 1980. That's when Mrs Harvey began skimming the golden cream from their Channel Island cows' milk, initially just supplying a nearby shop. What started as a side venture has grown into something far more significant over the past four decades.

Actually, let me correct myself there. It wasn't really a "side venture" in spirit—the Harveys have been farming this land since 1947 and caring for their distinctive Jersey and Guernsey herd since 1948. The dairy production was a natural extension of what they were already doing brilliantly: producing exceptionally rich milk from happy cows on lush Devon pastures.

Today, the farm spans 280 acres with over 250 Channel Island cows. These aren't your typical black-and-white Friesians—Jersey and Guernsey cattle produce milk with significantly higher butterfat content, which translates directly into that thick, golden cream Langage Farm has become famous for.

From Jersey Cows to Your Fridge: Understanding the Langage Farm Range

Here's where things get interesting for anyone who appreciates proper dairy. Langage Farm doesn't just make one or two products—they've developed a comprehensive range that showcases what Channel Island milk can do.

The Clotted Cream That Started It All

Let's start with the crown jewel. Langage Farm's Devonshire clotted cream won Platinum at the Food Drink Devon Awards 2023—officially the best in Devon. And yes, I know there's an eternal Devon versus Cornwall cream debate, but having tried both extensively (purely for research purposes, obviously), I can tell you this stuff is exceptional.

The texture is what strikes you first. Unlike some clotted creams that can be grainy or overly stiff, Langage's version has that perfect balance—firm enough to hold its shape on a scone but still yielding. The colour is properly golden, not the pale white you get from lower-butterfat versions. That yellow hue comes from the beta-carotene in grass-fed Channel Island cows' milk, and it's a genuine marker of quality.

The Harveys have been making clotted cream for over 50 years, perfecting that characteristic golden crust that forms during the slow baking process. Each batch is baked to develop that nutty, caramelised top layer that's absolutely non-negotiable for proper clotted cream.

Farmhouse Yoghurt: Where Luxury Meets Everyday

The yoghurt range is where Langage Farm has really expanded in recent years. Their partnership with Waitrose brought their "No.1 Yogurt" range to stores nationwide, and there's now an exclusive Mango and Passion Fruit flavour at Aldi for £0.79.

What makes their yoghurt different from the mass-produced alternatives? For starters, it's made from the same rich Channel Island milk as their cream. The layered yoghurts in glass pots—I'm particularly fond of the lemon curd one—feature a proper fruit compote underneath thick, creamy yoghurt. Customers consistently describe them as "amazingly thick and creamy" with the fruit layer providing natural sweetness rather than the cloying sugar hit you get from lesser brands.

The natural yoghurt deserves special mention too. It's the perfect base for overnight oats or cooking, with that distinctive richness you only get from high-butterfat milk. They also do a fat-free Greek-style version for those watching their intake—still creamy, still satisfying.

Ice Cream and Beyond

Rounding out the range are ice creams, sorbets, and various flavoured creams. The ice cream uses the same principle: quality milk, proper ingredients, traditional methods. It's the kind of ice cream your grandparents would recognise, before the industry decided we needed stabilisers and emulsifiers in everything.

How Langage Farm Became the UK's First Carbon Neutral Dairy

Right, this is the bit that genuinely excited me. In 2010, Langage Farm completed something called a "Closed Loop System" with the installation of their Anaerobic Digestion (AD) facility. It sounds technical, but the concept is beautifully simple once you understand it.

The Closed Loop Explained

Imagine a system where nothing goes to waste. Here's how it works at Langage:

  1. Grass grows on the farm using bio-fertiliser (digestate) produced by the AD plant
  2. Cows eat the grass and produce rich Jersey milk
  3. The dairy turns that milk into clotted cream, yoghurt, and ice cream
  4. Food waste from the dairy production and their retail outlets goes back to the AD plant
  5. The AD plant breaks down that organic waste to produce biogas
  6. That biogas generates electricity to power the farm and dairy
  7. The digestate (what's left after digestion) becomes fertiliser for the grass

And the cycle continues. It's farming as it perhaps should always have been—nothing wasted, everything returned to the system.

The Numbers Are Actually Impressive

The AD facility generates enough electricity to power over 500 households, or 25,000 light bulbs, or 5,000 laptops—however you prefer to visualise it. Excess green energy goes back into the National Grid, meaning Langage Farm isn't just carbon neutral; they're actively contributing clean energy to the UK's power supply.

This isn't a small operation bolted onto a marketing strategy. The AD plant represents a genuine commitment to sustainability that required significant investment and technical expertise. They've picked up numerous sustainability and business awards since its installation, which suggests the model actually works.

Why This Matters for British Dairy

Look, I'm not naive about the dairy industry's environmental challenges. Cattle produce methane, land use is intensive, and the sector faces legitimate scrutiny. But Langage Farm demonstrates that small-to-medium dairy operations can innovate their way toward sustainability rather than simply accepting the status quo.

The closed-loop approach addresses several issues simultaneously: it reduces reliance on synthetic fertilisers, eliminates most food waste from production, generates renewable energy, and maintains the kind of pastoral farming that actually supports biodiversity. Those cows spend 22 hours a day outside during summer, grazing on pastures fertilised naturally—not exactly factory farming.

What Makes Farmhouse Yoghurt Different From Supermarket Basics?

This is a question I get asked surprisingly often when I mention my ongoing yoghurt investigations. There's genuine confusion about what separates "luxury" dairy from the £0.50 pots lining supermarket chillers.

The Milk Makes the Difference

Standard commercial yoghurt typically uses milk from high-yielding Holstein-Friesian cattle. These cows produce enormous volumes of milk—fantastic for efficiency, less so for richness. Jersey and Guernsey cows, like those at Langage Farm, produce less milk overall but with significantly higher butterfat and protein content.

That extra fat means more flavour, more body, and that distinctively smooth texture. It's the same reason Jersey milk makes exceptional butter—the cream content is simply superior.

Production Methods Matter Too

Industrial yoghurt production prioritises speed and consistency. Traditional farmhouse methods take longer, allow for natural thickening, and often use cultures that develop more complex flavours. Yeo Valley, another excellent British dairy brand, follows similar principles with their organic range.

The glass packaging Langage Farm uses for their premium yoghurts isn't just aesthetic either (though it does look lovely in the fridge). Glass is infinitely recyclable and genuinely reusable—I've repurposed several pots for homemade jam.

The Honest Downside: It's More Expensive

I won't pretend otherwise—Langage Farm products cost more than supermarket basics. A pot of their layered yoghurt will set you back several times what you'd pay for a mass-produced equivalent. Whether that premium is worth it depends entirely on your priorities and budget.

For everyday cooking yoghurt, I'll admit I often reach for something cheaper. But for a weekend breakfast treat, or when I'm doing a proper cream tea (cream first, since we're talking Devon), the quality difference justifies the occasional splurge. It's the same philosophy I apply to most food: buy the best you can afford for things that really matter to you, economise elsewhere.

Where to Buy Langage Farm Products in 2026

The good news is that Langage Farm has expanded significantly from its Devon roots. Here's where you can find their products:

Major Supermarkets

Waitrose & Partners stocks the No.1 Yogurt range in glass pots nationwide. This is probably the easiest option for most people—the luxury layered yoghurts are reliably available in the chilled section.

Aldi carries an exclusive Mango and Passion Fruit Farmhouse Yogurt for just £0.79. It's an affordable entry point if you want to try Langage Farm without committing to premium pricing.

Morrisons features a limited-edition Sticky Toffee Yoghurt Jar collaboration with their "The Best" range—worth seeking out if you spot it.

Marks & Spencer stocks several Langage Farm products under M&S branding. Their Gold award-winning fruit and indulgence yoghurts at the International Cheese & Dairy Awards are actually produced by Langage Farm.

Farm Shops and Specialist Retailers

For the full range—including clotted cream, ice cream, and sorbets—independent farm shops and delis across the South West are your best bet. Greendale Farm Shop stocks their products online with delivery options.

Rodda's, Langage Farm's Cornish rival in the clotted cream stakes, has better nationwide distribution for clotted cream specifically. But for the complete Langage experience, it's worth checking their official "Where to Buy" page for local stockists.

Direct from Devon

If you're ever in the Plymouth area, the farm itself welcomes visitors. There's something rather special about buying cream directly from the place where those Jersey cows are grazing just fields away.

Why Jersey and Guernsey Cows Make Better Cream

I promised to explain this properly, because it's genuinely interesting science that affects what ends up in your shopping basket.

The Channel Island Advantage

Jersey and Guernsey cattle are both "Channel Island" breeds, originating from the small British Crown Dependencies between England and France. They're smaller than your typical dairy cow but produce milk with remarkable properties:

  • Higher butterfat: Jersey milk typically contains 5-6% fat compared to 3.5-4% in Holstein-Friesian milk
  • More protein: The casein and whey protein content is elevated, improving texture in dairy products
  • Richer colour: That golden hue comes from beta-carotene, which these breeds retain in their milk rather than converting to vitamin A
  • Smaller fat globules: This creates a smoother, more homogenous cream

The Langage Farm herd has been carefully maintained since 1948. These cows graze on Devon pastures for most of the year, and grass-fed dairy contains different fatty acid profiles than grain-fed alternatives—including higher omega-3 content.

The Trade-Off

Jersey cows produce roughly 6,000 litres of milk annually, compared to 8,000-10,000 litres from high-yielding Holstein-Friesians. For commercial dairies focused on volume, that's a significant economic disadvantage. For quality-focused producers like Langage Farm, it's precisely the point.

The Sustainability Question: Is Carbon Neutral Enough?

Since we're being honest here, I should address something that nags at me. "Carbon neutral" sounds impressive, but what does it actually mean in practice?

What Langage Farm Gets Right

The closed-loop system genuinely addresses several environmental concerns:

  • No external fertiliser dependency: The digestate replaces synthetic inputs
  • Renewable energy generation: They're net energy contributors to the grid
  • Food waste elimination: Production waste becomes feedstock, not landfill
  • Pastoral farming: Cows graze naturally rather than living in intensive units

This is substantially better than most dairy operations. The AD technology has been proven effective at reducing greenhouse gas emissions from manure management specifically.

What Questions Remain

Cattle still produce methane through enteric fermentation—that's biological reality regardless of how you manage their waste. Carbon neutral claims typically focus on offsetting or reducing emissions where possible, not eliminating them entirely.

That said, compared to industrial dairy operations, small herds grazing on permanent pasture have demonstrably lower environmental impacts per litre produced. It's a question of relative harm rather than perfect solutions. The Collective Dairy and Graham's The Family Dairy are other British producers taking sustainability seriously, though each approaches it differently.

My Verdict After Six Months of Investigation

After trying pretty much everything Langage Farm produces—from their flagship clotted cream to the Aldi-exclusive yoghurt—here's where I've landed.

What I Love

The quality is genuinely exceptional. This isn't marketing hype; the products taste noticeably better than mass-market alternatives. That Platinum-winning clotted cream is the best I've had from a commercial producer (I've done blind tastings with friends—Langage consistently wins).

The sustainability story is legitimate. They've invested properly in closed-loop systems rather than simply buying carbon offsets and calling it a day. The AD plant generates real energy, the digestate replaces real fertiliser, and the whole operation demonstrates that British dairy can innovate.

What I'm Less Sure About

The price point limits accessibility. Not everyone can afford premium yoghurt, and I worry about sustainable food becoming exclusively the preserve of those with disposable income. The Aldi collaboration is a step toward addressing this, but it's one product in one store.

Distribution remains patchy outside the South West. If you don't have a Waitrose nearby, finding Langage Farm products requires effort that many shoppers won't make.

Would I Recommend It?

Absolutely—with the caveat that it should complement rather than replace more affordable options depending on your circumstances. Try the clotted cream for a special occasion cream tea. Pick up the Waitrose yoghurt when you want something genuinely luxurious. But don't feel guilty about reaching for Lancashire Farm or Longley Farm (another excellent British producer) for everyday use.

The broader point is this: Langage Farm proves that small-scale British dairy can be both delicious and sustainable. Supporting producers who invest in environmental solutions—even occasionally—helps demonstrate that there's a market for responsible food production. And that matters.

Frequently Asked Questions About Langage Farm

Where can I buy Langage Farm yoghurt?

Langage Farm yoghurt is available at Waitrose & Partners stores nationwide, where you'll find their No.1 Yogurt range in glass pots. Aldi stocks an exclusive Mango and Passion Fruit flavour for £0.79. Marks & Spencer carries several products under M&S branding. For the full range including clotted cream and ice cream, try independent farm shops and delis in the South West, or check Langage Farm's official website for local stockists near you.

What does carbon neutral dairy mean?

Carbon neutral dairy means the farm's operations produce no net carbon emissions. Langage Farm achieves this through their Anaerobic Digestion facility, which converts food waste into biogas for electricity generation. The system creates a closed loop: waste from dairy production powers the farm, and the leftover digestate fertilises fields for cow grazing. They generate enough renewable energy to power over 500 homes, with excess fed back into the National Grid.

What is the best clotted cream brand?

Langage Farm's Devonshire clotted cream won Platinum at the Food Drink Devon Awards 2023, officially making it the best in Devon. Rodda's from Cornwall is the largest UK producer with excellent nationwide distribution. Both produce exceptional quality clotted cream with the characteristic golden colour and crusty top that marks genuine clotted cream. The "best" often comes down to personal preference and the Devon versus Cornwall debate, though Langage's award-winning cream consistently impresses in blind tastings.

Is Langage Farm yoghurt healthy?

Langage Farm yoghurt is made from whole Jersey and Guernsey cow milk, which is higher in butterfat than standard milk. Their natural yoghurt contains live cultures beneficial for gut health. They also produce a fat-free Greek-style option for those watching calorie intake. Like all dairy products, it provides calcium and protein. The layered fruit yoghurts contain added sugar from the fruit compote, so check labels if monitoring sugar intake. Overall, it's a quality dairy product best enjoyed as part of a balanced diet.

Why is Jersey cow milk better for dairy products?

Jersey cows produce milk with 5-6% butterfat compared to 3.5-4% in standard Holstein-Friesian milk. This higher fat content creates richer, creamier dairy products with better texture and flavour. Jersey milk also contains more protein and retains beta-carotene, giving products a natural golden colour. The smaller fat globules in Jersey milk create smoother cream. While these cows produce less milk overall, the quality is significantly superior for clotted cream, yoghurt, and ice cream production.

How does Langage Farm's closed loop system work?

Langage Farm's closed loop system connects three operations: the farm, dairy, and Anaerobic Digestion plant. Grass grows using bio-fertiliser from the AD plant. Jersey cows graze on this grass and produce rich milk. The dairy transforms milk into clotted cream, yoghurt, and ice cream. Food waste from production returns to the AD plant. Microorganisms break down this waste, producing biogas that generates electricity for the whole operation. The digestate becomes fertiliser, completing the cycle. Nothing is wasted.

Is Langage Farm clotted cream different from Cornish clotted cream?

Both Devon and Cornish clotted cream are traditional English products made by slowly heating cream until it forms a thick, crusty texture. The main differences are regional—Langage Farm uses milk from their Devon herd of Jersey and Guernsey cows, while Cornish producers like Rodda's use Cornish milk. Langage Farm's higher butterfat Channel Island milk creates an exceptionally rich product. The taste profiles are similar, though some enthusiasts detect subtle differences. The famous Devon versus Cornwall rivalry extends to cream tea etiquette—Devon puts cream first, Cornwall puts jam first.

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Langage Farm products are available at selected Waitrose, Aldi, and M&S stores, plus independent retailers across the UK. Visit langagefarm.com for your nearest stockist.

Tags

#langage farm#devon clotted cream#carbon neutral dairy#sustainable dairy#jersey cow milk#farmhouse yoghurt#devon dairy#waitrose yogurt#british dairy#closed loop farming

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Sophie Green

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